7706161 has 2 divisors, whose sum is σ = 7706162. Its totient is φ = 7706160.

The previous prime is 7706143. The next prime is 7706177. The reversal of 7706161 is 1616077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 518400 = 2681^2 + 720^2 .

It is an emirp because it is prime and its reverse (1616077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7706161 - 2¹³ = 7697969 is a prime.

7706161 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (7706561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853080 + 3853081.

It is an arithmetic number, because the mean of its divisors is an integer number (3853081).

Almost surely, 2^7706161 is an apocalyptic number.

It is an amenable number.

7706161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7706161 is an equidigital number, since it uses as much as digits as its factorization.

7706161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7706161 is about 2775.9972982696. The cubic root of 7706161 is about 197.5207348844.

The spelling of 7706161 in words is "seven million, seven hundred six thousand, one hundred sixty-one".